There are a couple of smaller Waterfield bags. They are expensive but well made
https://www.sfbags.com/collections/ipad-cases/products/field-muzetto#product-tabs2
https://www.sfbags.com/collections/tablet-bags/products/indy-leather-bag
I've got one of the leather Muzetto bags that was originally for an 11" Air. Still use it with the iPad and assorted things when I need a bag. After about 5 years, it still feels like new. Well made is a bit of an understatement.